A251466 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

50306, 373380, 2678350, 14306546, 75006354, 324243821, 1378354755, 5171467239, 19112759465, 64992838581, 218002148541, 691112888352, 2162935670566, 6516410789833, 19386252148251, 56253833823574, 161157974255043

Offset

1,1

Comments

Column 7 of A251467

Links

R. H. Hardin, Table of n, a(n) for n = 1..35

Example

Some solutions for n=1
..1..1..2..2..2..2..2..2....1..1..2..2..2..1..1..2....1..0..2..0..2..1..2..0
..2..1..1..0..1..0..1..2....2..1..1..0..1..1..2..2....2..0..1..2..1..1..1..2

Crossrefs

Sequence in context: A202490 A105001 A237949 * A267252 A166760 A231918

Adjacent sequences: A251463 A251464 A251465 * A251467 A251468 A251469

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved